Home / 1,516.11-2,092.31-1,011.09

Finding the Fourth Proportional to 1,516.11, 2,092.31 and 1,011.09

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Solution

The fourth proportional to 1,516.11, 2,092.31 and 1,011.09 is: 1,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.11 : 2,092.31 = 1,011.09 : x
  2. Step 2: Convert to fraction form
    1,516.11/2,092.31 = 1,011.09/x
  3. Step 3: Cross multiply
    1,516.11x = 2,092.31 × 1,011.09
  4. Step 4: Simplify right side
    1,516.11x = 2,115,513.72
  5. Step 5: Solve for x
    x = 2,115,513.72/1,516.11
  6. Step 6: Final answer
    x = 1,395.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.